Fil Menczer
@fil.bsky.social
Researcher on social media misinformation and manipulation, director of the Observatory on Social Media (OSoMe.iu.edu, pronounced “awesome”) at Indiana University
IU shuts down all DEI activities and scrubs DEI mentions from websites and courses, despite no laws requiring it.
iubaaup.org/2025/10/23/e...
iubaaup.org/2025/10/23/e...
November 17, 2025 at 11:25 PM
IU shuts down all DEI activities and scrubs DEI mentions from websites and courses, despite no laws requiring it.
iubaaup.org/2025/10/23/e...
iubaaup.org/2025/10/23/e...
Don't miss our OSoMe Awesome Speaker Michelle Amazeen this Wednesday! Register at iu.zoom.us/meeting/regi...
November 17, 2025 at 3:53 PM
Don't miss our OSoMe Awesome Speaker Michelle Amazeen this Wednesday! Register at iu.zoom.us/meeting/regi...
New paper 🧪
We propose a field experiment to study the effects of friction interventions for curbing the spread of misinformation. ABM simulations suggest that when combined with learning, friction could significantly increase average post quality
doi.org/10.1038/s442...
We propose a field experiment to study the effects of friction interventions for curbing the spread of misinformation. ABM simulations suggest that when combined with learning, friction could significantly increase average post quality
doi.org/10.1038/s442...
November 5, 2025 at 12:19 AM
New paper 🧪
We propose a field experiment to study the effects of friction interventions for curbing the spread of misinformation. ABM simulations suggest that when combined with learning, friction could significantly increase average post quality
doi.org/10.1038/s442...
We propose a field experiment to study the effects of friction interventions for curbing the spread of misinformation. ABM simulations suggest that when combined with learning, friction could significantly increase average post quality
doi.org/10.1038/s442...
So grateful to AI for teaching me proper grammar!
October 27, 2025 at 9:14 PM
So grateful to AI for teaching me proper grammar!
🚨 First OSoMe Awesome Speaker of the year! 🚨
📅 Sept 12 | 12pm ET
🎤 Patrick Warren (Clemson University)
📍 Zoom
Measuring the Impact of a Large State-Sponsored Narrative-Laundering Campaign: The case of the Storm-1516 attack on Zelensky
🔗 Register: iu.zoom.us/meeting/regi...
📅 Sept 12 | 12pm ET
🎤 Patrick Warren (Clemson University)
📍 Zoom
Measuring the Impact of a Large State-Sponsored Narrative-Laundering Campaign: The case of the Storm-1516 attack on Zelensky
🔗 Register: iu.zoom.us/meeting/regi...
August 28, 2025 at 4:00 PM
🚨 First OSoMe Awesome Speaker of the year! 🚨
📅 Sept 12 | 12pm ET
🎤 Patrick Warren (Clemson University)
📍 Zoom
Measuring the Impact of a Large State-Sponsored Narrative-Laundering Campaign: The case of the Storm-1516 attack on Zelensky
🔗 Register: iu.zoom.us/meeting/regi...
📅 Sept 12 | 12pm ET
🎤 Patrick Warren (Clemson University)
📍 Zoom
Measuring the Impact of a Large State-Sponsored Narrative-Laundering Campaign: The case of the Storm-1516 attack on Zelensky
🔗 Register: iu.zoom.us/meeting/regi...
What a wonderful day! Congratulations to the newly hooded doctors for their amazing work and brilliant future! 👏🎉🎓
May 10, 2025 at 3:47 PM
What a wonderful day! Congratulations to the newly hooded doctors for their amazing work and brilliant future! 👏🎉🎓
And congrats also to Dr. @matthewdeverna.com !! 👏🎉🎓
May 7, 2025 at 10:26 PM
And congrats also to Dr. @matthewdeverna.com !! 👏🎉🎓
Congratulations Dr. @baottruong.bsky.social !! Brava! 🙌 🎉👏
May 7, 2025 at 10:23 PM
Congratulations Dr. @baottruong.bsky.social !! Brava! 🙌 🎉👏
… And the winners of the Spring 2025 NaN/CNetS/OSoMe Foosball Tournament are… Akanksha and Dimitri (double) and @ozgurcanseckin.bsky.social (single). Congratulations!!! 🏆
May 7, 2025 at 12:22 AM
… And the winners of the Spring 2025 NaN/CNetS/OSoMe Foosball Tournament are… Akanksha and Dimitri (double) and @ozgurcanseckin.bsky.social (single). Congratulations!!! 🏆
This is the message I sent to my US Senators
January 29, 2025 at 4:20 PM
This is the message I sent to my US Senators
I have the best students and staff in the world: they bring me home-made cookies and even medicine when I am sick 🤒
December 20, 2024 at 7:24 PM
I have the best students and staff in the world: they bring me home-made cookies and even medicine when I am sick 🤒
..And the winners of the Fall 2024 NaN/OSoMe/CNetS Foosball Tournament are... Meritxell and @matthewdeverna.com (doubles) and @ozgurcanseckin.bsky.social (single). Congratulations and Happy Holidays!
December 18, 2024 at 8:19 PM
..And the winners of the Fall 2024 NaN/OSoMe/CNetS Foosball Tournament are... Meritxell and @matthewdeverna.com (doubles) and @ozgurcanseckin.bsky.social (single). Congratulations and Happy Holidays!
So nice to catch up with @ovarol.bsky.social at #ComplexNetworks2024 in beautiful Istanbul!
December 12, 2024 at 6:05 AM
So nice to catch up with @ovarol.bsky.social at #ComplexNetworks2024 in beautiful Istanbul!
New paper in PNAS 🧪 Fact-checking information from large language models can decrease headline discernment
What are the unintended consequences of AI fact-checking? Even LLMs that accurately identify false headlines can actually cause harm.
Read all about our experiment:
doi.org/10.1073/pnas...
What are the unintended consequences of AI fact-checking? Even LLMs that accurately identify false headlines can actually cause harm.
Read all about our experiment:
doi.org/10.1073/pnas...
December 4, 2024 at 8:57 PM
New paper in PNAS 🧪 Fact-checking information from large language models can decrease headline discernment
What are the unintended consequences of AI fact-checking? Even LLMs that accurately identify false headlines can actually cause harm.
Read all about our experiment:
doi.org/10.1073/pnas...
What are the unintended consequences of AI fact-checking? Even LLMs that accurately identify false headlines can actually cause harm.
Read all about our experiment:
doi.org/10.1073/pnas...
📢 Our next OSoMe Awesome Speaker, Jeremy Blackburn, will talk about "Understanding the Prominence of Alternative Social Media Platforms"
📅 This Wednesday, December 04, 2024, at 12pm ET
Register at osome.iu.edu/events/speak...
📅 This Wednesday, December 04, 2024, at 12pm ET
Register at osome.iu.edu/events/speak...
December 2, 2024 at 4:44 PM
📢 Our next OSoMe Awesome Speaker, Jeremy Blackburn, will talk about "Understanding the Prominence of Alternative Social Media Platforms"
📅 This Wednesday, December 04, 2024, at 12pm ET
Register at osome.iu.edu/events/speak...
📅 This Wednesday, December 04, 2024, at 12pm ET
Register at osome.iu.edu/events/speak...
Journal editors: please add individual below to blocklist.
November 16, 2024 at 8:56 PM
Journal editors: please add individual below to blocklist.
Our next OSoMe Awesome Speaker: Kristina Lerman from USC! Don't miss her talk "Collective Psychology of Social Media: Emotions, Conflict & Mental Health in the Digital Age" on 13 Nov at 12pm ET
Register: iu.zoom.us/meeting/regi...
OSoMe Awesome Speakers: osome.iu.edu/events/speak...
Register: iu.zoom.us/meeting/regi...
OSoMe Awesome Speakers: osome.iu.edu/events/speak...
November 11, 2024 at 6:08 PM
Our next OSoMe Awesome Speaker: Kristina Lerman from USC! Don't miss her talk "Collective Psychology of Social Media: Emotions, Conflict & Mental Health in the Digital Age" on 13 Nov at 12pm ET
Register: iu.zoom.us/meeting/regi...
OSoMe Awesome Speakers: osome.iu.edu/events/speak...
Register: iu.zoom.us/meeting/regi...
OSoMe Awesome Speakers: osome.iu.edu/events/speak...
Our latest paper shows how a single choice by many social media platforms—to treat all resharing as if from the original poster—can drastically reshape our understanding of the social dynamics on those platforms. 🧪
Details in thread below:
Details in thread below:
November 3, 2024 at 7:51 PM
Our latest paper shows how a single choice by many social media platforms—to treat all resharing as if from the original poster—can drastically reshape our understanding of the social dynamics on those platforms. 🧪
Details in thread below:
Details in thread below:
On the evening of Oct 31st, Trump released long-awaited photographic evidence that illegal immigrants from India are voting.
November 1, 2024 at 12:53 AM
On the evening of Oct 31st, Trump released long-awaited photographic evidence that illegal immigrants from India are voting.
Candy & cheese pairings at the lab today thx to @caitlinwatkins.bsky.social
October 31, 2024 at 1:50 AM
Candy & cheese pairings at the lab today thx to @caitlinwatkins.bsky.social
OSoMe Awesome Speakers returns next week!
We're starting off strong with a talk from Jo Lukito, "Challenges and Solutions for Multi-Platform Studies of Election Discourse"
Register at iu.zoom.us/meeting/regi...
Other OSoMe Awesome Speakers: osome.iu.edu/events/speak...
We're starting off strong with a talk from Jo Lukito, "Challenges and Solutions for Multi-Platform Studies of Election Discourse"
Register at iu.zoom.us/meeting/regi...
Other OSoMe Awesome Speakers: osome.iu.edu/events/speak...
September 27, 2024 at 10:15 PM
OSoMe Awesome Speakers returns next week!
We're starting off strong with a talk from Jo Lukito, "Challenges and Solutions for Multi-Platform Studies of Election Discourse"
Register at iu.zoom.us/meeting/regi...
Other OSoMe Awesome Speakers: osome.iu.edu/events/speak...
We're starting off strong with a talk from Jo Lukito, "Challenges and Solutions for Multi-Platform Studies of Election Discourse"
Register at iu.zoom.us/meeting/regi...
Other OSoMe Awesome Speakers: osome.iu.edu/events/speak...
Latest publication w/ @yang3kc.bsky.social & Danish Singh 🧪
Characteristics and Prevalence of Fake Social Media Profiles with AI-generated Faces
doi.org/10.54501/jot...
tl;dr: At least 9-18k daily active X accounts use AI profiles to spread scams, spam, amplify coordinated messages, etc.
Characteristics and Prevalence of Fake Social Media Profiles with AI-generated Faces
doi.org/10.54501/jot...
tl;dr: At least 9-18k daily active X accounts use AI profiles to spread scams, spam, amplify coordinated messages, etc.
September 19, 2024 at 11:43 PM
Latest publication w/ @yang3kc.bsky.social & Danish Singh 🧪
Characteristics and Prevalence of Fake Social Media Profiles with AI-generated Faces
doi.org/10.54501/jot...
tl;dr: At least 9-18k daily active X accounts use AI profiles to spread scams, spam, amplify coordinated messages, etc.
Characteristics and Prevalence of Fake Social Media Profiles with AI-generated Faces
doi.org/10.54501/jot...
tl;dr: At least 9-18k daily active X accounts use AI profiles to spread scams, spam, amplify coordinated messages, etc.
Bluesky now has over 10 million users, and I was #65,309!
September 18, 2024 at 7:08 PM
Bluesky now has over 10 million users, and I was #65,309!